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20601672670 = 252719757693
BaseRepresentation
bin10011001011111101…
…001001001111011110
31222011202200101222201
4103023331021033132
5314143012011140
613244141202114
71326346220425
oct231375111736
958152611881
1020601672670
11881211a667
123bab56033a
131c3423a977
14dd61862bc
158089b949a
hex4cbf493de

20601672670 has 16 divisors (see below), whose sum is σ = 37096698240. Its totient is φ = 8237627424.

The previous prime is 20601672643. The next prime is 20601672671. The reversal of 20601672670 is 7627610602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601672671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351657 + ... + 406036.

It is an arithmetic number, because the mean of its divisors is an integer number (2318543640).

Almost surely, 220601672670 is an apocalyptic number.

20601672670 is a deficient number, since it is larger than the sum of its proper divisors (16495025570).

20601672670 is a wasteful number, since it uses less digits than its factorization.

20601672670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760419.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 20601672670 in words is "twenty billion, six hundred one million, six hundred seventy-two thousand, six hundred seventy".

Divisors: 1 2 5 10 2719 5438 13595 27190 757693 1515386 3788465 7576930 2060167267 4120334534 10300836335 20601672670